Denon s-302 ost-f1287-1 Service Manual

Page of 3
 
100 Corporate Drive Mahwah, NJ 07430
 
 
       
 
 
 
Service Bulletin
 
No. : 
 OST-F1287-1 
Date:
 
April 7, 2008 
_____________________________________________________________
 
 
Model:
 
S-302  
 
 
 
 
 
 
 
Subject: 
RS232 malfunction occurs due to bugs in the MICON software. 
 
 
 
 
 
 
 
 
 
Symptom:
 The RS232C commands have been improved. 
 
Countermeasure is applicable only upon claim from the customer. 
Solution:  
The firmware has been corrected so the malfunction does not 
occur.
 
MODIFICATION:  Record each new firmware file separately onto a blank CD-R 
together with the following dummy file and update your customer's S-302 
 
The dummy file to be recorded together with the program file:   
File Name: adummy.zip 
 
Cautions:  
• When recording the file on a blank CD-R, the format shall be "ISO9660" and the 
session shall be "CLOSE".  
• When recording the file on the CD-R, please record it at the 4-times speed of 
the normal speed.  
• When the 4-times speed is not available, please record it at the minimum speed 
that is available in your machine. 
• If the file was recorded at a high speed, such as 32 or 48 times speed of the 
normal speed, the upgrading may fail due to the data incorrectly recorded on the 
CD-R. 
 
 
 
 
______________________________________________________________________________________ 
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